This tool is not dedicated to Microsoft Dynamics CRM but simply allows to validate an XML file against a schema file (XSD). With this tool, I provide an XSD file which is dedicated to Microsoft Dynamics CRM 4.0. It is an aggregation of two schema files:
How to use the tool
Simply select an XML file and an XSD file and click on the button “Validate XML file with XSD”. You can also drag and drop files to their respective textbox on the tool.